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drivers: udc: do not update MPS for isochronous endpoints

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Zero data payload size for isochronous endpoints is a
is a valid setting for default interface.
Also do not update MPS of control endpoint since it is
set by the driver.

Signed-off-by: Johann Fischer <johann.fischer@nordicsemi.no>
This commit is contained in:
Johann Fischer 2023-01-20 00:40:48 +01:00 committed by Stephanos Ioannidis
parent da3e3d3ed3
commit e60a4efbb0
1 changed files with 3 additions and 6 deletions
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9
drivers/usb/udc/udc_common.c
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@ -253,7 +253,6 @@ static void ep_update_mps(const struct device *dev,
uint16_t *const mps)
{
struct udc_device_caps caps = udc_caps(dev);
const uint16_t spec_iso_mps = caps.hs ? 1024 : 1023;
const uint16_t spec_int_mps = caps.hs ? 1024 : 64;
const uint16_t spec_bulk_mps = caps.hs ? 512 : 64;
@ -269,12 +268,10 @@ static void ep_update_mps(const struct device *dev,
case USB_EP_TYPE_INTERRUPT:
*mps = MIN(cfg->caps.mps, spec_int_mps);
break;
case USB_EP_TYPE_ISO:
*mps = MIN(cfg->caps.mps, spec_iso_mps);
break;
case USB_EP_TYPE_CONTROL:
*mps = 64U;
break;
__fallthrough;
case USB_EP_TYPE_ISO:
__fallthrough;
default:
return;
}